Answer
0.314 in
Work Step by Step
Numbered divisions on the barrel $3\times0.100=\ \ \ 0.300$ in
Small divisions on the barrel$\ \ \ \ \ \ \ \ \ 0\times0.025=\ \ \ 0.000$ in
Head reading$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 14\times0.001=\underline{\ \ \ 0.014}$ in
The total measurement is $\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 0.314$ in